These cartoon TV show fanbases can be a bit much sometimes. For this list, we’re looking at a vocal minority who give the rest of the fan-base a bad name. Just to be clear, these cartoons and their supporters are generally pretty awesome; but, as always, there are exceptions. We'll be including the communities of TV shows such as Adventure Time, My Little Pony: Friendship is Magic, The Loud House, Gravity Falls, Rick and Morty, Steven Universe, and more. Join WatchMojo as we count down our picks for the Top 10 Toxic Cartoon Show Communities.